[PATCH v6 1/2] dt-bindings: input: Add Nuvoton MA35D1 keypad

Ming-Jen
2025-01-09T00:26:33Z

Add YAML bindings for MA35D1 SoC keypad.

Signed-off-by: Ming-jen Chen <mjchen0829@gmail.com>
---
.../bindings/input/nuvoton,ma35d1-keypad.yaml | 82 +++++++++++++++++++
1 file changed, 82 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml

diff --git a/Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml b/Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml
new file mode 100644
index 000000000000..9d262f87dca0
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/nuvoton,ma35d1-keypad.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton MA35D1 Keypad
+
+maintainers:
+ - Ming-jen Chen <mjchen0829@gmail.com>
+
+allOf:
+ - $ref: /schemas/input/matrix-keymap.yaml#
+
+properties:
+ compatible:
+ const: nuvoton,ma35d1-keypad
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ linux,keymap:
+ description: Keymap for the keypad.
+
+ keypad,num-rows:
+ description: Number of rows in the keypad.
+ minimum: 2
+ maximum: 8
+
+ keypad,num-columns:
+ description: Number of columns in the keypad.
+ minimum: 1
+ maximum: 8
+
+ debounce-delay-ms:
+ description: Debounce delay time in milliseconds.
+ maxItems: 1
+
+ scan-interval-ms:
+ description: Scan interval time in milliseconds.
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - linux,keymap
+ - keypad,num-rows
+ - keypad,num-columns
+ - debounce-delay-ms
+ - scan-interval-ms
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/input/input.h>
+ keypad@404a0000 {
+ compatible = "nuvoton,ma35d1-keypad";
+ reg = <0x404a0000 0x10000>;
+ interrupts = <79>;
+ clocks = <&clk>;
+ keypad,num-rows = <2>;
+ keypad,num-columns = <2>;
+
+ linux,keymap = <
+ MATRIX_KEY(0, 0, KEY_ENTER)
+ MATRIX_KEY(0, 1, KEY_ENTER)
+ MATRIX_KEY(1, 0, KEY_SPACE)
+ MATRIX_KEY(1, 1, KEY_Z)
+ >;
+
+ debounce-delay-ms = <1>;
+ scan-interval-ms = <20>;
+ };
--
2.25.1